Preparation for combining paths of focus rings and outlines

Source/core/layout/LayoutObject.cpp

Index: Source/core/layout/LayoutObject.cpp
diff --git a/Source/core/layout/LayoutObject.cpp b/Source/core/layout/LayoutObject.cpp
index 88b60d2fbc360530e0a083ec3ebabdbf1ee4e8b1..7b247a5371ad645c9f70e757f1faff6d39959bc2 100644
--- a/Source/core/layout/LayoutObject.cpp
+++ b/Source/core/layout/LayoutObject.cpp
@@ -998,11 +998,11 @@ IntRect LayoutObject::absoluteBoundingBoxRectIgnoringTransforms() const
     return result;
 }
 
-IntRect LayoutObject::absoluteFocusRingBoundingBoxRect() const
+IntRect LayoutObject::absoluteOutlineBoundingBoxRect() const
 {
     Vector<LayoutRect> rects;
     const LayoutBoxModelObject* container = enclosingLayer()->layoutObject();
-    addFocusRingRects(rects, LayoutPoint(localToContainerPoint(FloatPoint(), container)));
+    addOutlineRects(rects, LayoutPoint(localToContainerPoint(FloatPoint(), container)));
     return container->localToAbsoluteQuad(FloatQuad(unionRect(rects))).enclosingBoundingBox();
 }
 
@@ -1396,8 +1396,9 @@ PaintInvalidationReason LayoutObject::paintInvalidationReason(const LayoutBoxMod
     // The focus ring may change because of position change of descendants. For simplicity,
     // just force full paint invalidation if this object is marked for checking paint invalidation
     // for any reason.
+    // TODO(wangxianzhu): extend this to all outlines.
     if (styleRef().outlineStyleIsAuto())
-        return PaintInvalidationFocusRing;
+        return PaintInvalidationOutline;
 
     // If the bounds are the same then we know that none of the statements below
     // can match, so we can early out since we will not need to do any